// Go Substrate RPC Client (GSRPC) provides APIs and types around Polkadot and any Substrate-based chain RPC calls
//
// Copyright 2019 Centrifuge GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package author

import (
	"github.com/centrifuge/go-substrate-rpc-client/v2/types"
)

// PendingExtrinsics returns all pending extrinsics, potentially grouped by sender
func (a *Author) PendingExtrinsics() ([]types.Extrinsic, error) {
	var res []string
	err := a.client.Call(&res, "author_pendingExtrinsics")
	if err != nil {
		return nil, err
	}

	// fmt.Println(res)

	xts := make([]types.Extrinsic, len(res))

	for i, re := range res {
		err = types.DecodeFromHexString(re, &xts[i])
		if err != nil {
			return nil, err
		}
	}
	return xts, err
}
